Ball-cock.



H. N. LIBBEY.

BALL 000K.

APPLIUATION FILED NOV 4, 1904,

Patented Nov. 3, 1908.

5 E 5 5 E w UNITED sTAT E s r rENT OFFICE.

HENRY N. LIBBEY, OF BOSTON, MASSACHUSETTS, ASSIGNOR TO ELBRIDGE G. KELLEY, OF

PEABODY, MASSACHUSETTS.

BALL-COCK.

Specification of Letters Patent.

Patented Nov. 3, 1908.

To all whom it may concern:

Be it known that I, HENRY N. LIBBEY, a citizen of the United States, and resident of Boston, in the county of Suffolk and State of .Massachusetts, have invented certain new and useful Improvements in Ball-Cocks, of which the following is a specification.

This invention relates to improvements in ball cocks capable of several advantageous uses, one of which is in connection with a water closet flush tank, and it is carried out as follows, reference being had to the accompanying drawings, wherein Figure 1 is a top plan view of the improved ball cock; Fig. 2 is a side elevation, partly shown in section, showing the valve open and the ball float in its lowered position; Fig. 3 is a longitudinal section on the line 3-3 in Fig. 1, showing the valve in its normal closed position and. the ball float in its raised position; andFig. 4 is a crosssection on the line 4 4 shown in Fig. 3.

Similar letters refer to similar parts wherever they occur on the different parts of the drawings.

In the drawings A represents the shell which is suitably secured to the upper edge of the flushing tank B, as is common in devices of this kind. The outer end of the shell A is screw threaded at A, and to it is secured by means of a screw threaded coupling C, a supply pipe D as usual. Within the shell A is arranged a preferably detachable longitudinally perforated valve sleeve E, having a valve seat 6, at its inner end in the ordinary manner.

A" is a downwardly extending discharge branch leading from the shell A, and connected to a delivery pipe F, as usual.

\Vithin the outer open end of the shell A is arranged a longitudinally movable plunger Gr, provided with a valve 9, adapted to be normally held closer against the valve seat 6, as shown in Fig. 3.

Integral with the inner end of the shell A is an ear or projection A to which is pivotally connected preferably by means of a detachable fulcrum pin H, a U shaped or forked yoke I, to the upper portion of which is attached a pin 71, engaging a forked recess G, in the end of the plunger G, as shown. The yoke I has a depending portion J which is adapted, when the water is out of the tank, to come into contact with the ear or projection A and thus limit the downward movement of the yoke to prevent the pin it from coming out of the recess G and. the yoke I from getting on a dead center.

To the yoke I is secured preferably by means of a set screw K, the ball float rod L, is common in ball cooks for water closet flush tanks.

By the employment of a pivoted forked yoke I and a plunger G, having a forked recess G, pivotally connected to the pin 11, on the yoke I, the said plunger may be readily detached from the shell A simply by removing the fulcrum pin H and detaching the pin /z. from the forked recess G in the plunger, after which the yoke I can readily be removed from the plunger and the latter withdrawn from within the shell A as may be desired, and as circumstances may require. In a like manner the yoke I can readily be 0011- nected to the slotted recess G, in the plunger G, by inserting the pin it, in the said recess G and connecting the said yoke to the ear A by means of the fulcrum pin H, as herein above shown and described.

What I wish to secure by Letters Patent and claim is 1. In a ball cock, the combination of a casing open at both ends, a detachable longitudinally bored valve sleeve within the casing, a longitudinally movable plunger seated within and extending through one of the open ends of the casing and provided with a hook at its outer end, an extension carried by the casing and projecting beyond the end of the same, a yoke member detachably pivoted to said pro ection and carrying a ball float rod, said yoke member provided with a pin for engaging the hooked end of the plunger to operate the same, said yoke member adapted to engage the projection to limit the downward movement of the yoke member.

2. In a ball cook, a horizontal valve casing having an internal valve seat, an endwise movable plunger in said casing, provided with a valve to fit against said seat, and also bein provided with a projecting portion located exteriorly of the casing, said projecting portion having a downwardly-opening vertical notch, the casing having a projection under said notch, a yoke-shaped ballfloat-rod carrying member loosely embracing said projecting portion and having a 111 freely fitting said notch and riding up an down thereln on the motion of said yokeshaped member, and a pin supported for rocking motion by said projection, the pin being in screw-threaded engagement with one branch of said yoke-shaped member, and said pin having a shoulder en 'aging the outer face of the other branch 0 said yokeshaped member, said pin constituting a single removable bearing shaft for the yokeshaped member and serving to hold the plunger and yoke-shaped member in assembled relation.

In testimony whereof I have affixed my signature, in presence of two witnesses.

HENRY N. LIBBEY. \Vitnesses ALBAN ANDRIEN, LAURITZ N. Mom/ma. 

